“The Priestly Fraternity of St. Peter, one of the largest traditional societies of apostolic life, has said that the explanatory document [from Stupid Cupid Cupich] ‘does not directly address the former Ecclesia Dei communities such as the Priestly Fraternity of St. Peter who possess their own proper law.’”
https://www.catholicnewsagency.com/news/249989/cardinal-cupich-issues-new-restrictions-on-traditional-latin-masses